Due to his keen sense of smell, Gerald was able to detect the scent of a highly toxic gas that was slowly filling the mine. From what he was able to tell, directly inhaling even just a little of the gas would be sufficient to easily corrode a human’s internal organs!

True to his deduction, after taking just a few steps forward, Yume was already starting to get extremely dizzy. As the strength in her body rapidly left her, Gerald quickly ran over to support her.

Following that, he instantly b